Pseudo-Static Test of Steel-Glulam Composite Beam-to-Column Exterior Joints
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Central South University of Forestry and Technology, College of Civil Engineering, Changsha, Hunan, China
Shenzhen Huayang International Design Group Co., Ltd. Changsha Branch, Changsha, Hunan, China
Submission date: 2020-05-21
Final revision date: 2020-11-17
Acceptance date: 2020-11-17
Publication date: 2021-03-31
Archives of Civil Engineering 2021;67(1):147-161
Steel-glulam structure is a new type of composite structure,glulam have lateral support effect on steel plate, that can prevent premature buckling of steel plate and improve the stability of steel structure. In order to study the influence of column’s cross-section form on the seismic performance of steel-glulam composite beam-to-column exterior joint, the column’s cross-section form was taken as the basic variable (glulam rectangular section , H-beam section and H-beam-glulam rectangular section were used respectively). The pseudo-static tests of three composite beam-to-column joints were carried out to observe the different failure modes, and obtain the mechanical performance indexes. The experiment results demonstrated that: The energy dissipation capacity of beam-to-column exterior joint composed of glulam column was the worst, the ultimate bearing capacity and stiffness were the lowest. The ultimate bearing capacity of the exterior joints formed by the H-beam column and the H-beam-glulam composite column were both high, and their ductility coefficients were similar, while the former had better energy dissipation capacity.
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